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Merge branch 'release-1_7_0' of github.com:qgis/Quantum-GIS into rele…

…ase-1_7_0
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timlinux committed May 24, 2011
2 parents 6039882 + 3f60dc0 commit 2c8bca72adb800991e4a335e74ebd98612d50d16
Showing with 9 additions and 2 deletions.
  1. +9 −2 src/core/symbology-ng/qgslinesymbollayerv2.cpp
@@ -639,8 +639,15 @@ void QgsLineDecorationSymbolLayerV2::renderPolyline( const QPolygonF& points, Qg
}

int cnt = points.count();
QPointF p1 = points.at( cnt - 2 );
QPointF p2 = points.at( cnt - 1 );
QPointF p2 = points.at( --cnt );
QPointF p1 = points.at( --cnt );
while ( p2 == p1 && cnt )
p1 = points.at( --cnt );
if ( p1 == p2 ) {
// this is a collapsed line... don't bother drawing an arrow
// with arbitrary orientation
return;
}

double angle = atan2( p2.y() - p1.y(), p2.x() - p1.x() );
double size = context.outputLineWidth( mWidth * 8 );

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